Datasheet
DS7147 Rev 10 27/103
STM8S003F3 STM8S003K3 Pinouts and pin descriptions
29
Table 6. STM8S003F3 pin description
Pin
no.
Pin name Type
Input Output
Main
function
(after
reset)
Default
alternate
function
Alternate
function
after remap
[option bit]
TSSOP20
UFQFPN20
floating
wpu
Ext. interr.
High
sink
(1)
Speed
OD PP
118
PD4/ BEEP/
TIM2_ CH1/
UART1 _CK
I/O X X X HS O3 X X Port D4
Timer 2 -
channel
1/BEEP
output/
UART1 clock
-
219
PD5/ AIN5/
UART1 _TX
I/O X
XX HS O3 XX Port D5
Analog input
5/ UART1
data transmit
-
320
PD6/ AIN6/
UART1 _RX
I/O X
XX HS O3 XX Port D6
Analog input
6/ UART1
data receive
-
4 1 NRST I/O - X
- - ---Reset -
5 2 PA1/ OSCIN
(2)
I/O X X X - O1 X X Port A1
Resonator/
crystal in
-
6 3 PA2/ OSCOUT I/O X
X X - O1 X X Port A2
Resonator/
crystal out
-
7 4 VSS S - - - - - - - Digital ground -
8 5VCAP S - -- - ---
1.8 V regulator
capacitor
-
96VDD S - -- - ---Digital power supply -
10
7
PA3/ TIM2_ CH3
[SPI_ NSS]
I/O X
X X HS O3 X X Port A3
Timer 2
channel 3
SPI master/
slave select
[AFR1]
11
8
PB5/ I2C_ SDA
[TIM1_ BKIN]
I/O X
- X - O1 T
(3)
- Port B5 I2C data
Timer 1 -
break input
[AFR4]
12
9 PB4/ I2C_ SCL I/O X
- X - O1 T
(3)
- Port B4 I2C clock
ADC
external
trigger
[AFR4]
13
10
PC3/ TIM1_CH3
[TLI]
[TIM1_ CH1N]
I/O X
X X HS O3 X X Port C3
Timer 1 -
channel 3
Top level
interrupt
[AFR3]
Timer 1 -
inverted
channel 1
[AFR7]
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